Bootstrap javac cannot be compiled using earlier JDK7 versions

Dr Andrew John Hughes gnu_andrew at member.fsf.org
Wed Oct 20 12:38:55 UTC 2010 

On 20 October 2010 13:07, Andreas Kohn <andreas.kohn at fredhopper.com> wrote:
> Hi,
>
> I wanted to update my local JDK7 build, and stumbled across a problem
> when building with a JDK7 from ~2010-09-10:
>
> build-bootstrap-javac:
>    [javac] Compiling 78 source files to /local/andreask-nonbackup/jdk7/build/linux-amd64/langtools/build/bootstrap/classes
>    [javac] /local/andreask-nonbackup/jdk7/langtools/src/share/classes/com/sun/tools/javac/nio/JavacPathFileManager.java:372: method does not override or implement a method from a supertype
>    [javac]             @Override
>    [javac]             ^
>    [javac] 1 error
>
> The full output up to that point is attached. This was a completely fresh fclone of the jdk7
> forest (e8ebdf41b9c0) to rule out any local modifications.
>
> Is this error expected? I just commented the @Override so I could build. I'm a bit wondering how
> this bootstrap can work with a JDK6, but I didn't try that yet.
>

What is /usr/java/openjdk-current/bin/javac ?  What does
/usr/java/openjdk-current/bin/java -version give?

> Regards,
> --
> Andreas
>
> --
> Never attribute to malice that which can be adequately explained by
> stupidity.                                        -- Hanlon's Razor
>
> Building
> Control linux amd64 1.7.0-internal all build started: 10-10-20 09:17
>
> Build Machine Information:
>   build machine = tiamaria.ams.fredhopper.com
>
> Build Directory Structure:
>   CWD = /local/andreask-nonbackup/jdk7
>   TOPDIR = .
>   LANGTOOLS_TOPDIR = ./langtools
>   JAXP_TOPDIR = ./jaxp
>   JAXWS_TOPDIR = ./jaxws
>   CORBA_TOPDIR = ./corba
>   HOTSPOT_TOPDIR = ./hotspot
>   JDK_TOPDIR = ./jdk
>
> Build Directives:
>   BUILD_LANGTOOLS = true
>   BUILD_JAXP = true
>   BUILD_JAXWS = true
>   BUILD_CORBA = true
>   BUILD_HOTSPOT = true
>   BUILD_JDK    = true
>   DEBUG_CLASSFILES =
>   DEBUG_BINARIES =
>
> Hotspot Settings:
>      HOTSPOT_BUILD_JOBS  =
>      HOTSPOT_OUTPUTDIR   = /local/andreask-nonbackup/jdk7/build/linux-amd64/hotspot/outputdir
>      HOTSPOT_EXPORT_PATH = /local/andreask-nonbackup/jdk7/build/linux-amd64/hotspot/import
>
>
>
>
> Bootstrap Settings:
>  BOOTDIR = /usr/java/openjdk-current
>    ALT_BOOTDIR = /usr/java/openjdk-current
>  BOOT_VER = 1.7.0 [requires at least 1.6]
>  OUTPUTDIR = /local/andreask-nonbackup/jdk7/build/linux-amd64
>    ALT_OUTPUTDIR = /local/andreask-nonbackup/jdk7/build/linux-amd64
>  ABS_OUTPUTDIR = /local/andreask-nonbackup/jdk7/build/linux-amd64
>
> Build Tool Settings:
>  SLASH_JAVA = /NOT-SET
>    ALT_SLASH_JAVA =
>  VARIANT = OPT
>  JDK_DEVTOOLS_DIR = /NOT-SET/devtools
>    ALT_JDK_DEVTOOLS_DIR =
>  ANT_HOME = /local/home/andreask/modules/apache-ant-1.7.1
>  UNIXCOMMAND_PATH = /bin/
>    ALT_UNIXCOMMAND_PATH =
>  COMPILER_PATH = /usr/bin/
>    ALT_COMPILER_PATH =
>  DEVTOOLS_PATH = /usr/bin/
>    ALT_DEVTOOLS_PATH =
>  UNIXCCS_PATH = /usr/ccs/bin/
>    ALT_UNIXCCS_PATH =
>  USRBIN_PATH = /usr/bin/
>    ALT_USRBIN_PATH =
>  COMPILER_NAME = GCC4
>  COMPILER_VERSION = GCC4
>  CC_VER = 4.4.4 [requires at least 4.3.0]
>  ZIP_VER = 2.31 [requires at least 2.2]
>  UNZIP_VER = 5.52 [requires at least 5.12]
>  ANT_VER = 1.7.1 [requires at least 1.6.3]
>  TEMPDIR = /local/andreask-nonbackup/jdk7/build/linux-amd64/tmp
>
> Build Directives:
>  OPENJDK = true
>  USE_HOTSPOT_INTERPRETER_MODE =
>  PEDANTIC =
>  DEV_ONLY = true
>  NO_DOCS =
>  NO_IMAGES =
>  TOOLS_ONLY =
>  INSANE =
>  COMPILE_APPROACH = parallel
>  PARALLEL_COMPILE_JOBS = 2
>    ALT_PARALLEL_COMPILE_JOBS =
>  FASTDEBUG =
>  COMPILER_WARNINGS_FATAL = false
>  COMPILER_WARNING_LEVEL =
>  INCREMENTAL_BUILD = false
>  CC_HIGHEST_OPT =
>  CC_HIGHER_OPT =
>  CC_LOWER_OPT =
>  CXXFLAGS =  -O2 -fPIC -DCC_NOEX -W -Wall  -Wno-unused -Wno-parentheses -fno-omit-frame-pointer -D_LITTLE_ENDIAN
>  CFLAGS =  -O2   -fno-strict-aliasing -fPIC -W -Wall  -Wno-unused -Wno-parentheses -pipe -fno-omit-frame-pointer -D_LITTLE_ENDIAN
>  BOOT_JAVA_CMD = /usr/java/openjdk-current/bin/java -XX:-PrintVMOptions -XX:+UnlockDiagnosticVMOptions -XX:-LogVMOutput -Xmx896m -Xms128m -XX:PermSize=32m -XX:MaxPermSize=160m
>  BOOT_JAVAC_CMD = /usr/java/openjdk-current/bin/javac  -J-XX:ThreadStackSize=1536 -J-XX:-PrintVMOptions -J-XX:+UnlockDiagnosticVMOptions -J-XX:-LogVMOutput -J-Xmx896m -J-Xms128m -J-XX:PermSize=32m -J-XX:MaxPermSize=160m -encoding ascii -source 6 -target 6 -XDignore.symbol.file=true
>  BOOT_JAR_CMD = /usr/java/openjdk-current/bin/jar
>  BOOT_JARSIGNER_CMD = /usr/java/openjdk-current/bin/jarsigner
>  JAVAC_CMD = /usr/java/openjdk-current/bin/javac  -J-XX:ThreadStackSize=1536 -J-XX:-PrintVMOptions -J-XX:+UnlockDiagnosticVMOptions -J-XX:-LogVMOutput -J-Xmx896m -J-Xms128m -J-XX:PermSize=32m -J-XX:MaxPermSize=160m  -source 7 -target 7 -encoding ascii -Xbootclasspath:/local/andreask-nonbackup/jdk7/build/linux-amd64/classes
>  JAVAH_CMD = /usr/java/openjdk-current/bin/javah -bootclasspath /local/andreask-nonbackup/jdk7/build/linux-amd64/classes
>  JAVADOC_CMD = /usr/java/openjdk-current/bin/javadoc -J-XX:-PrintVMOptions -J-XX:+UnlockDiagnosticVMOptions -J-XX:-LogVMOutput -J-Xmx896m -J-Xms128m -J-XX:PermSize=32m -J-XX:MaxPermSize=160m -bootclasspath /local/andreask-nonbackup/jdk7/build/linux-amd64/classes
>
> Build Platform Settings:
>  USER = andreask
>  PLATFORM = linux
>  ARCH = amd64
>  LIBARCH = amd64
>  ARCH_FAMILY = amd64
>  ARCH_DATA_MODEL = 64
>  ARCHPROP = amd64
>  ALSA_VERSION = 1.0.23
>  OS_VERSION = 2.6.32.21-168.fc12.x86_64 [requires at least 2.6]
>  OS_VARIANT_NAME = Fedora
>  OS_VARIANT_VERSION = 12
>  TEMP_FREE_SPACE = 49044600
>  FREE_SPACE = 9248748
>  MB_OF_MEMORY = 7938
>
> GNU Make Settings:
>  MAKE = make
>  MAKE_VER = 3.81 [requires at least 3.78]
>  MAKECMDGOALS = sanity
>  MAKEFLAGS = s
>  SHELL = /bin/sh
>
> Target Build Versions:
>  JDK_VERSION = 1.7.0
>  MILESTONE = internal
>  RELEASE = 1.7.0-internal
>  FULL_VERSION = 1.7.0-internal-andreask_2010_10_20_09_17-b00
>  BUILD_NUMBER = b00
>
> External File/Binary Locations:
>  USRJDKINSTANCES_PATH = /opt/java
>  BUILD_JDK_IMPORT_PATH = /NOT-SET/re/jdk/1.7.0/promoted/latest/binaries
>    ALT_BUILD_JDK_IMPORT_PATH =
>  JDK_IMPORT_PATH = /usr/java/openjdk-current
>    ALT_JDK_IMPORT_PATH = /usr/java/openjdk-current
>  LANGTOOLS_DIST =
>    ALT_LANGTOOLS_DIST = /local/andreask-nonbackup/jdk7/build/linux-amd64/langtools/dist
>  CORBA_DIST =
>    ALT_CORBA_DIST = /local/andreask-nonbackup/jdk7/build/linux-amd64/corba/dist
>  JAXP_DIST =
>    ALT_JAXP_DIST = /local/andreask-nonbackup/jdk7/build/linux-amd64/jaxp/dist
>  JAXWS_DIST =
>    ALT_JAXWS_DIST = /local/andreask-nonbackup/jdk7/build/linux-amd64/jaxws/dist
>  HOTSPOT_DOCS_IMPORT_PATH = /NO_DOCS_DIR
>    ALT_HOTSPOT_DOCS_IMPORT_PATH =
>  HOTSPOT_IMPORT_PATH = /local/andreask-nonbackup/jdk7/build/linux-amd64/hotspot/import
>    ALT_HOTSPOT_IMPORT_PATH = /local/andreask-nonbackup/jdk7/build/linux-amd64/hotspot/import
>  HOTSPOT_SERVER_PATH = /local/andreask-nonbackup/jdk7/build/linux-amd64/hotspot/import/jre/lib/amd64/server
>    ALT_HOTSPOT_SERVER_PATH =
>  CACERTS_FILE = /usr/java/openjdk-current/jre/lib/security/cacerts
>    ALT_CACERTS_FILE = /usr/java/openjdk-current/jre/lib/security/cacerts
>  CUPS_HEADERS_PATH = /usr/include
>    ALT_CUPS_HEADERS_PATH =
>
> OpenJDK-specific settings:
>  FREETYPE_HEADERS_PATH = /usr/include
>    ALT_FREETYPE_HEADERS_PATH =
>  FREETYPE_LIB_PATH = /usr/lib
>    ALT_FREETYPE_LIB_PATH =
>
> OPENJDK Import Binary Plug Settings:
>  IMPORT_BINARY_PLUGS = true
>  BINARY_PLUGS_JARFILE = /local/andreask-nonbackup/jdk7/openjdk-binary-plugs//jre/lib/rt-closed.jar
>    ALT_BINARY_PLUGS_JARFILE =
>  BINARY_PLUGS_PATH = /local/andreask-nonbackup/jdk7/openjdk-binary-plugs/
>    ALT_BINARY_PLUGS_PATH = /local/andreask-nonbackup/jdk7/openjdk-binary-plugs/
>  BUILD_BINARY_PLUGS_PATH = /NOT-SET/re/jdk/1.7.0/promoted/latest/openjdk/binaryplugs
>    ALT_BUILD_BINARY_PLUGS_PATH =
>  PLUG_LIBRARY_NAMES =
>
> Previous JDK Settings:
>  PREVIOUS_RELEASE_PATH = USING-PREVIOUS_RELEASE_IMAGE
>    ALT_PREVIOUS_RELEASE_PATH =
>  PREVIOUS_JDK_VERSION = 1.6.0
>    ALT_PREVIOUS_JDK_VERSION =
>  PREVIOUS_JDK_FILE =
>    ALT_PREVIOUS_JDK_FILE =
>  PREVIOUS_JRE_FILE =
>    ALT_PREVIOUS_JRE_FILE =
>  PREVIOUS_RELEASE_IMAGE = /usr/java/openjdk-current
>    ALT_PREVIOUS_RELEASE_IMAGE =
>
>
> WARNING: Your build environment has the variable DEV_ONLY
>         defined. This will result in a development-only
>         build of the JDK, lacking the documentation
>         build and installation bundles.
>
> WARNING: Can't locate pre-built libraries.
>       Please check your access to
>           /local/andreask-nonbackup/jdk7/openjdk-binary-plugs/
>       and/or check your value of ALT_BINARY_PLUGS_PATH.
>
> Sanity check passed.
> Control linux amd64 1.7.0-internal all_product_build build started: 10-10-20 09:17
> Control linux amd64 1.7.0-internal build_product_image build started: 10-10-20 09:17
>
>
> ########################################################################
> ########################################################################
> ##### Entering  langtools for target  all                          #####
> ########################################################################
> Buildfile: build.xml
>
> -def-pcompile:
>
> -def-build-classes:
>
> -def-build-bootstrap-classes:
>
> -def-build-jar:
>
> -def-build-bootstrap-jar:
>
> -def-check:
>
> -check-boot.java.home:
>
> -def-build-tool:
>
> -def-build-bootstrap-tool:
>
> build-bootstrap-javac:
>    [javac] Compiling 78 source files to /local/andreask-nonbackup/jdk7/build/linux-amd64/langtools/build/bootstrap/classes
>    [javac] /local/andreask-nonbackup/jdk7/langtools/src/share/classes/com/sun/tools/javac/nio/JavacPathFileManager.java:372: method does not override or implement a method from a supertype
>    [javac]             @Override
>    [javac]             ^
>    [javac] 1 error
>
> BUILD FAILED
> /local/andreask-nonbackup/jdk7/langtools/make/build.xml:413: The following error occurred while executing this line:
> /local/andreask-nonbackup/jdk7/langtools/make/build.xml:756: Compile failed; see the compiler error output for details.
>
> Total time: 11 seconds
> make[3]: *** [build] Error 1
> make[2]: *** [langtools-build] Error 2
> make[1]: *** [build_product_image] Error 2
> make: *** [dev-build] Error 2
>
>
>



-- 
Andrew :-)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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